Gomphotherioidea

Beginning about 5 million years ago, they were gradually replaced by modern elephants, apart from the last two South American genera, of which Gomphotheres or Gomphotheriidae did not become extinct…

Gomphothere or Gomphotheriidae differed from elephants in their tooth structure, particularly the chewing surfaces on the molar teeth. The earlier species had four tusks, and their retracted facial and nasal…